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M Sl9l6 _ 0 9 2 .6 SUMMARY FOR FOAMING STUDIES DONE ON VARIOUS AFFF PRODUCTS TEST SUBSTANCE_______________________________________________ Identity: Mixtures containing perfluorooctanesulfonate, which may also be referred to as PFOS or FC-95 or as a component of AFFF products. (1-Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Rem arks field: compositions.

3M Medical Department Study: T6316.5 '*T f ORIGINAL Analytical Report: FACT TOX-013 LRN-U2095 sat-oW Study Title Analytical Study 2(N-Ethylperfluorooctane sulfonamido)-ethanol in Two Generation Rat Reproduction Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, M556, PFOSAA, and PFOSA in the Liver and PFOS, M556, PFOSAA, PFOSA, and EtFOSE-OH in the Sera of CrLCD^BR VAF/Plus* Rats Exposed to EtFOSE-OH Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratories Sera Analyses Liver Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St Paul, MN 55106 Battelle Memorial Institute 505 King Avenue Columbus, OH 43201-2693 S Project Identification 3M Medical Department Study: T-6316.5 Argus In-Life Study: 418-009 Analytical Report: FACT TOX-013 3M Laboratory Request No.

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A R 2% -0 % \ Argus Research Laboratories, Inc. 905 Sheehy Drive, Building A Horsham, Pennsylvania 19044 T: (215) 443-8710 F: (215) 443-6587 PROTOCOL 418-008 SPONSOR'S STUDY NUMBER: 6295.9 STUDY TITLE: Combined Oral (Gavage) Fertility, Developmental and Perinatal/Postnatal Reproduction Toxicity Study of PFOS in Rats.

AR226-2487 2/28/01 LPSD WATER SAMPLE ANALYTICAL RESULTS (Letter, R.

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P Ril --^ 474 M&06- H U DuPont-13349 TRADE SECRET Study Title H-25914: Static, Acute, 48-Hour Toxicity Screening Test with Daphnia magna A u t h o r s : Laurie D.

Name: Carine Sakr, MD MPH 1 Robin Leonard, PhD 2 Mark Cullen, MD 1 R 6_ 36-^7 Program Affiliation: '"Yale Occupational and Environmental Medicine Program 2"Epidemiology Program at DuPont Haskell Laboratory for Health and Environmental Sciences Address: 135 College Street, 3rd floor New Haven, CT 06510 Phone: 856-816-1539 Fax: 203-785-7391 Email: carine.sakr @vale.edu TITLE Twenty-five year longitudinal study of serum total cholesterol related to a serum biomarker of exposure (serum perfluorooctanoate or PFOA) in a polymer production plant.

3M 3M Environmental Laboratory Project No.

Ms&AG - iZICf Overview o f the Mechanics o f Film Formation o f AFFF Aqueous film-forming foam (AFFF) generally contains mixtures of hydrocarbon and fluorocarbon surfactants as the major surface-active components.